Sea Temperature in San Diego in October

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Complete information on the sea temperature range in the Pacific Ocean in San Diego in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in San Diego. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

San Diego Climate and Swimming Opportunities in October

San Diego lies within the California in United States. The average daytime temperature in San Diego in October is 76°F (24°C), while the nighttime average is 59°F (15°C). There are typically two rainy days during the month, with a total precipitation of 0.4 inches (11 mm). The daylight duration in October in San Diego is 11 hours, with an average of 8 hours of sunshine per day. The average wind speed in October is 6 mph (10 km/h), and the humidity level is around 70%.

The water temperature in San Diego in October ranges from 64°F to 68°F (18°C to 20°C). At the beginning of the month, the average temperature is around 66°F (19°C), shifting to 66°F (19°C) by mid-October and reaching 66°F (19°C) in the last ten days. Overall, the average sea temperature in San Diego for October is 66°F (19°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in October in San Diego